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Grand Cayman, Cayman Islands

Alpha and Omega Semiconductor (Cayman) Ltd.

USPTO Granted Patents = 132

Trademarks = 1

Forward Citations = 281

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102 inventors (with patents filed for the assignee):

Pei-Lun Huang (18 out of 41 patents)

Shekar Mallikarjunaswamy (17 out of 82 patents)

Madhur Bobde (17 out of 177 patents)

4. Yu-Ming Chen (15 out of 25 patents)

5. Jung-Pei Cheng (14 out of 20 patents)

6. Bum-Seok Suh (13 out of 27 patents)

7. Tien-Chi Lin (13 out of 23 patents)

8. Jun Lu (11 out of 106 patents)

9. Zhiqiang Niu (10 out of 41 patents)

10. Lingpeng Guan (10 out of 86 patents)

11. Chris M Young (10 out of 16 patents)

12. Karthik Padmanabhan (9 out of 26 patents)

13. Wonjin Cho (9 out of 10 patents)

14. Son Tran (8 out of 13 patents)

15. Ming-Chen Lu (8 out of 26 patents)

Core Competencies:

Transient Voltage Suppressor

IGBT Efficiency

Silicon Carbide MOSFET

Power Semiconductor

AC/DC Converter

Current Sensing

High Voltage

Superjunction

Integrated Circuit

Voltage Regulator

Power Module

Thermal Management

132 patents: Sort by Forward Citations

1. 12389691 - Low capacitance bidirectional transient voltage suppressor (2025-08-12),

2. 12021075 - Low capacitance transient voltage suppressor with a mos-triggered silicon controlled rectifier as high-side steering diode (2024-06-25),

3. 11990467 - Low capacitance bidirectional transient voltage suppressor (2024-05-21),

4. 11756993 - IGBT light load efficiency (2023-09-12),

5. 11749716 - Semiconductor device incorporating epitaxial layer field stop zone (2023-09-05),

6. 11711071 - Current mode control modulator including ramp signal generator providing slope compensation (2023-07-25),

7. 11664368 - Low capacitance transient voltage suppressor including a punch-through silicon controlled rectifier as low-side steering diode (2023-05-30),

8. 11569345 - Gas dopant doped deep trench super junction high voltage MOSFET (2023-01-31),

9. 11552078 - Silicon carbide MOSFET with source ballasting (2023-01-10),

10. 11539293 - Fast transient response in DC-to-DC converters (2022-12-27),

11. 11538933 - Schottky diode integrated into superjunction power MOSFETs (2022-12-27),

12. 11522451 - Inductor binning enhanced current sense (2022-12-06),

13. 11522448 - Autonomous current sharing for power stages (2022-12-06),

14. 11508819 - Method for forming super-junction corner and termination structure with graded sidewalls (2022-11-22),

15. 11502607 - Methods and apparatuses for auxiliary transient control system (2022-11-15),

Company Overview

Alpha and Omega Semiconductor (Cayman) Ltd. specializes in the development and manufacturing of advanced power semiconductor solutions. The company focuses on transient voltage suppressors and high-efficiency devices, including silicon carbide MOSFETs and superjunction technologies. Their innovations cater to various applications such as AC/DC converters and current sensing, enhancing performance in high voltage environments. Headquartered in Grand Cayman, the firm is committed to delivering cutting-edge solutions that drive efficiency and reliability in power management.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

132 Patents

#9 in Grand Cayman

#11 in Cayman Islands

#6,105 in the World

Grand Cayman, Cayman Islands

Alpha and Omega Semiconductor (Cayman) Ltd.

Forward Citations = 281

102 inventors:

Pei-Lun Huang (18 out of 41 patents)

Shekar Mallikarjunaswamy (17 out of 82 patents)

Madhur Bobde (17 out of 177 patents)

4. Yu-Ming Chen (15 out of 25 patents)

5. Jung-Pei Cheng (14 out of 20 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Alpha and Omega Semiconductor (Cayman) Ltd.. Retrieved from https://idiyas.com/company/alpha-and-omega-semiconductor-cayman

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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